A duplicated data-based transmission method and related devices are provided. The method is applicable to a scenario where there are duplicated data under both dual connectivity (DC) and carrier aggregation (CA). The method includes the following. A first communication device receives first information sent by a second communication device, where the first information is used for determining information of at least three radio link control (RLC) entities corresponding to a packet data convergence protocol (PDCP) entity.
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4. The method of claim 1, wherein the first information comprises at least one of: cell channel quality information, cell load information, information of a service to-be-transmitted, clock synchronization information, resource scheduling and configuration information, or cell interference information.
5. The method of claim 4, wherein the cell channel quality information comprises one of a reference signal received power (RSRP) or a reference signal received quality (RSRQ).
6. The method of claim 4, wherein the information of the service to-be-transmitted comprises at least one of: a period for triggering the service, a service packet size, a time offset of an arrival time point of the service within one period relative to a starting time point of the period, an arrival time window of the service within one period, a transmission time window of the service within one period, or a service tolerance delay.
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March 31, 2021
April 9, 2024
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